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Hallettsville city, Texas

Official LSAD Designation: Hallettsville city • Census GEOID: 4831868 • Lavaca County

Climate Normals & Weather Observations

30-year climate normals (1991–2020) and weather observations for Hallettsville city.

Reference Weather Station: HALLETTSVILLE 2 N, TX US (ID: USC00413873) • Located 1.9 miles from community center • Elevation: 83.8 m
Month Average High (°F) Average Low (°F) Mean Temp (°F) Precipitation (in)
January 65.9° 44.6° 55.3° 3.06"
February 69.4° 48.6° 59.0° 2.30"
March 75.6° 54.9° 65.2° 2.99"
April 81.8° 60.9° 71.4° 3.51"
May 88.2° 68.6° 78.4° 4.40"
June 93.5° 73.8° 83.6° 4.54"
July 96.2° 75.4° 85.8° 2.50"
August 97.5° 75.1° 86.3° 3.18"
September 92.4° 71.0° 81.7° 3.67"
October 85.1° 62.2° 73.6° 4.28"
November 74.6° 52.7° 63.6° 3.25"
December 67.1° 46.0° 56.6° 2.74"

Annual Temperature History

2010–2025, completed calendar years only.

NOAA station HALLETTSVILLE 2 N, TX US (ID: USC00413873) • 1.9 miles from community center .

This is the same reference station used for monthly normals.

Annual mean Annual mean of daily highs Annual mean of daily lows
Annual temperature history at HALLETTSVILLE 2 N, TX US Year is the horizontal axis. Annual mean temperature in degrees Fahrenheit is the vertical axis. Dots show recorded years; lines connect consecutive available years only. Missing years are gaps, with no interpolation. Optional dashed lines show annual mean of daily highs and lows. Exact values appear in the data table below. 55.0 63.0 71.0 79.0 87.0 2010 2014 2018 2021 2025 Year Annual mean temperature (°F) 2010: Annual mean 68.3°F 2011: Annual mean 71.1°F 2012: Annual mean 71.1°F 2013: Annual mean 69.1°F 2014: Annual mean 68.8°F 2015: Annual mean 70.0°F 2016: Annual mean 71.7°F 2017: Annual mean 73.0°F 2018: Annual mean 71.6°F 2019: Annual mean 71.9°F 2021: Annual mean 72.0°F 2022: Annual mean 72.0°F 2023: Annual mean 73.9°F 2024: Annual mean 73.8°F 2025: Annual mean 73.0°F 2010: Annual mean of daily highs 78.6°F 2011: Annual mean of daily highs 82.7°F 2012: Annual mean of daily highs 81.7°F 2013: Annual mean of daily highs 80.1°F 2014: Annual mean of daily highs 79.6°F 2015: Annual mean of daily highs 80.0°F 2016: Annual mean of daily highs 82.2°F 2017: Annual mean of daily highs 83.7°F 2018: Annual mean of daily highs 81.6°F 2019: Annual mean of daily highs 82.3°F 2021: Annual mean of daily highs 81.9°F 2022: Annual mean of daily highs 83.2°F 2023: Annual mean of daily highs 84.2°F 2024: Annual mean of daily highs 83.9°F 2025: Annual mean of daily highs 83.7°F 2010: Annual mean of daily lows 57.9°F 2011: Annual mean of daily lows 59.5°F 2012: Annual mean of daily lows 60.4°F 2013: Annual mean of daily lows 58.2°F 2014: Annual mean of daily lows 58.1°F 2015: Annual mean of daily lows 60.0°F 2016: Annual mean of daily lows 61.2°F 2017: Annual mean of daily lows 62.2°F 2018: Annual mean of daily lows 61.6°F 2019: Annual mean of daily lows 61.6°F 2021: Annual mean of daily lows 62.2°F 2022: Annual mean of daily lows 60.8°F 2023: Annual mean of daily lows 63.6°F 2024: Annual mean of daily lows 63.7°F 2025: Annual mean of daily lows 62.2°F

Source: NOAA NCEI Global Summary of the Year.

Annual temperature data table (°F)
Annual station temperatures, 2010–2025. Unavailable means no reported value.
Year Annual mean (°F) Annual mean of daily highs (°F) Annual mean of daily lows (°F)
2010 68.3 78.6 57.9
2011 71.1 82.7 59.5
2012 71.1 81.7 60.4
2013 69.1 80.1 58.2
2014 68.8 79.6 58.1
2015 70.0 80.0 60.0
2016 71.7 82.2 61.2
2017 73.0 83.7 62.2
2018 71.6 81.6 61.6
2019 71.9 82.3 61.6
2020 Unavailable Unavailable Unavailable
2021 72.0 81.9 62.2
2022 72.0 83.2 60.8
2023 73.9 84.2 63.6
2024 73.8 83.9 63.7
2025 73.0 83.7 62.2
Source: NOAA NCEI 1991–2020 U.S. Climate Normals, National Weather Service.